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Calculate the velocity of sound in air o...

Calculate the velocity of sound in air on a day when temperature is `30^(@)C`, pressure `0.74 m` of mercury and relative humidity `60%`. Velocity of sound at NTP `=330 m s^(-1)`. Saturated vapour pressure at `30^(@)C=0.032 m` of mercury.
`[["Hint: Relative Humidity "=("Vapour pressure at "30^(@)C)/("Saturated vapour pressure at "30^(@)C)],[C_(m)=C_(d) sqrt(P/(P-0.385f))]]`

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Verified by Experts

The correct Answer is:
`349.4 m s^(-1)`
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NN GHOSH-VELOCITY OF SOUND-EXERCISE
  1. A man claps his hands in front of a wall and he hears the echo after 1...

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  2. A man walks towards a cliff while beating a drum at the rate of 5 beat...

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  3. A man standing in front of a mountain at a certain distance beats a dr...

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  4. Velocity of sound through an unknown gas at STO is 258.4 m s^(-1) and ...

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  5. Calculate the velocity of sound in air saturated with moisture at 25^(...

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  6. Show that the velocity of sound in a gas of gamma=1.41 is 0.68 C where...

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  7. If the velocity of sound in dry air at 0^(@)C is 332 m s^(-1). Find th...

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  8. Calculate the velocity of sound in air on a day when temperature is 30...

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  9. How long will it take for sound waves to travel the distance l between...

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  10. Show that if the rate of change of temperature with height dT//dh call...

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  11. In what gas at the same temperature is the speed v of sound greater - ...

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  12. The splash of a stone in a wall is heard tau=2.053 s after the stone i...

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  13. Calculate the velocity of sound in a mixture of two gases obtained by ...

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  14. A bullet travels horizontally overhead a man at a height h=5 m at spee...

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  15. If C=332 m s^(-1), say the velocity of sound in dry air at STP, find t...

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  16. Calculate the velocity of sound in a mixture of oxygen, nitrogen and a...

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  17. Calculate the velocity of sound in a mixture of two gases obtained by ...

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  18. Calculate the velocity of sound in a medium where change in pressure a...

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  19. How many degrees of freedom have the gas molecules, if under standard ...

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  20. The temperature of air varies with height linearly from T(1) at the ea...

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